Auto-RX Engine Cleaner
Junior Member
Joined: Mar 2004
Posts: 99
Likes: 0
From: Chicago
Car: Caprice
Engine: 5.0 305 LO3
Transmission: 2004-R
From my friends using and what ive heard, its worth it. It basically cleans your engine of sludge and buildup. I wouldn't use it in an engine that has seen synthetic all its life since that tends not to sludge up :P
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